14ce9e1567
* Initial commit with a lot of testing stuff. * Partial Unmap Cleanup Part 1 * Fix some minor issues, hopefully windows tests. * Disable partial unmap tests on macos for now Weird issue. * Goodbye magic number * Add COMPlus_EnableAlternateStackCheck for tests `COMPlus_EnableAlternateStackCheck` is needed for NullReferenceException handling to work on linux after registering the signal handler, due to how dotnet registers its own signal handler. * Address some feedback * Force retry when memory is mapped in memory tracking This case existed before, but returning `false` no longer retries, so it would crash immediately after unprotecting the memory... Now, we return `true` to deliberately retry. This case existed before (was just broken by this change) and I don't really want to look into fixing the issue right now. Technically, this means that on guest code partial unmaps will retry _due to this_ rather than hitting the handler. I don't expect this to cause any issues. This should fix random crashes in Xenoblade Chronicles 2. * Use IsRangeMapped * Suppress MockMemoryManager.UnmapEvent warning This event is not signalled by the mock memory manager. * Remove 4kb mapping
45 lines
1.5 KiB
C#
45 lines
1.5 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace ARMeilleure.Signal
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{
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unsafe class WindowsSignalHandlerRegistration
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{
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[DllImport("kernel32.dll")]
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private static extern IntPtr AddVectoredExceptionHandler(uint first, IntPtr handler);
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[DllImport("kernel32.dll")]
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private static extern ulong RemoveVectoredExceptionHandler(IntPtr handle);
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[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Ansi)]
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static extern IntPtr LoadLibrary([MarshalAs(UnmanagedType.LPStr)] string lpFileName);
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[DllImport("kernel32.dll", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
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private static extern IntPtr GetProcAddress(IntPtr hModule, string procName);
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private static IntPtr _getCurrentThreadIdPtr;
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public static IntPtr RegisterExceptionHandler(IntPtr action)
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{
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return AddVectoredExceptionHandler(1, action);
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}
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public static bool RemoveExceptionHandler(IntPtr handle)
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{
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return RemoveVectoredExceptionHandler(handle) != 0;
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}
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public static IntPtr GetCurrentThreadIdFunc()
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{
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if (_getCurrentThreadIdPtr == IntPtr.Zero)
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{
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IntPtr handle = LoadLibrary("kernel32.dll");
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_getCurrentThreadIdPtr = GetProcAddress(handle, "GetCurrentThreadId");
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}
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return _getCurrentThreadIdPtr;
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}
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}
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}
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